git.marmaro.de Git - mmh/blob - uip/rmf.c

   1 /*
   2 ** rmf.c -- remove a folder
   3 **
   4 ** This code is Copyright (c) 2002, by the authors of nmh.  See the
   5 ** COPYRIGHT file in the root directory of the nmh distribution for
   6 ** complete copyright information.
   7 */
   8
   9 #include <h/mh.h>
  10
  11 static struct swit switches[] = {
  12 #define INTRSW  0
  13         { "interactive", 0 },
  14 #define NINTRSW  1
  15         { "nointeractive", 0 },
  16 #define VERSIONSW  2
  17         { "version", 0 },
  18 #define HELPSW  3
  19         { "help", 0 },
  20         { NULL, 0 }
  21 };
  22
  23 /*
  24 ** static prototypes
  25 */
  26 static int rmf(char *);
  27 static void rma(char *);
  28
  29
  30 int
  31 main(int argc, char **argv)
  32 {
  33         int defolder = 0, interactive = -1;
  34         char *cp, *folder = NULL, newfolder[BUFSIZ];
  35         char buf[BUFSIZ], **argp, **arguments;
  36
  37 #ifdef LOCALE
  38         setlocale(LC_ALL, "");
  39 #endif
  40         invo_name = mhbasename(argv[0]);
  41
  42         /* read user profile/context */
  43         context_read();
  44
  45         arguments = getarguments(invo_name, argc, argv, 1);
  46         argp = arguments;
  47
  48         while ((cp = *argp++)) {
  49                 if (*cp == '-') {
  50                         switch (smatch(++cp, switches)) {
  51                                 case AMBIGSW:
  52                                         ambigsw(cp, switches);
  53                                         done(1);
  54                                 case UNKWNSW:
  55                                         adios(NULL, "-%s unknown", cp);
  56
  57                                 case HELPSW:
  58                                         snprintf(buf, sizeof(buf), "%s [+folder] [switches]", invo_name);
  59                                         print_help(buf, switches, 1);
  60                                         done(1);
  61                                 case VERSIONSW:
  62                                         print_version(invo_name);
  63                                         done(1);
  64
  65                                 case INTRSW:
  66                                         interactive = 1;
  67                                         continue;
  68                                 case NINTRSW:
  69                                         interactive = 0;
  70                                         continue;
  71                         }
  72                 }
  73                 if (*cp == '+' || *cp == '@') {
  74                         if (folder)
  75                                 adios(NULL, "only one folder at a time!");
  76                         else
  77                                 folder = getcpy(expandfol(cp));
  78                 } else {
  79                         adios(NULL, "usage: %s [+folder] [switches]",
  80                                         invo_name);
  81                 }
  82         }
  83
  84         if (!folder) {
  85                 folder = getcurfol();
  86                 defolder++;
  87         }
  88         if (strcmp(toabsdir(folder), pwd()) == 0)
  89                 adios(NULL, "You can't remove the current working directory");
  90
  91         if (interactive == -1)
  92                 interactive = defolder;
  93
  94         if (strchr(folder, '/') && (*folder != '/') && (*folder != '.')) {
  95                 strcpy(newfolder, folder);
  96                 cp = newfolder + strlen(newfolder);
  97                 while (cp > newfolder && *cp != '/')
  98                         cp--;
  99                 if (cp > newfolder)
 100                         *cp = '\0';
 101                 else
 102                         strncpy(newfolder, getdeffol(), sizeof(newfolder));
 103         } else {
 104                 strncpy(newfolder, getdeffol(), sizeof(newfolder));
 105         }
 106
 107         if (interactive) {
 108                 cp = concat("Remove folder \"", folder, "\"? ", NULL);
 109                 if (!getanswer(cp))
 110                         done(0);
 111                 free(cp);
 112         }
 113
 114         if (rmf(folder) == OK) {
 115                 char *cfolder = context_find(curfolder);
 116                 if (cfolder && strcmp(cfolder, newfolder)) {
 117                         printf("[+%s now current]\n", newfolder);
 118                         /* update current folder */
 119                         context_replace(curfolder, newfolder);
 120                 }
 121         }
 122         context_save();  /* save the context file */
 123         done(0);
 124         return 1;
 125 }
 126
 127 static int
 128 rmf(char *folder)
 129 {
 130         int i, j, others;
 131         register char *maildir;
 132         char cur[BUFSIZ];
 133         register struct dirent *dp;
 134         register DIR *dd;
 135
 136         switch (i = chdir(maildir = toabsdir(folder))) {
 137                 case OK:
 138                         if (access(".", W_OK) != NOTOK &&
 139                                         access("..", W_OK) != NOTOK)
 140                                 break;  /* fall otherwise */
 141
 142                 case NOTOK:
 143                         snprintf(cur, sizeof(cur), "atr-%s-%s",
 144                                                 current, toabsdir(folder));
 145                         if (!context_del(cur)) {
 146                                 printf("[+%s de-referenced]\n", folder);
 147                                 return OK;
 148                         }
 149                         advise(NULL, "you have no profile entry for the %s folder +%s", i == NOTOK ? "unreadable" : "read-only", folder);
 150                         return NOTOK;
 151         }
 152
 153         if ((dd = opendir(".")) == NULL)
 154                 adios(NULL, "unable to read folder +%s", folder);
 155         others = 0;
 156
 157         /*
 158         ** Run the external delete hook program.
 159         */
 160
 161         ext_hook("del-hook", maildir, (char *)0);
 162
 163         j = strlen(backup_prefix);
 164         while ((dp = readdir(dd))) {
 165                 switch (dp->d_name[0]) {
 166                         case '.':
 167                                 if (strcmp(dp->d_name, ".") == 0 ||
 168                                                 strcmp(dp->d_name, "..") == 0)
 169                                         continue;  /* else fall */
 170
 171                         case ',':
 172 #ifdef MHE
 173                         case '+':
 174 #endif /* MHE */
 175 #ifdef UCI
 176                         case '_':
 177                         case '#':
 178 #endif /* UCI */
 179                                 break;
 180
 181                         default:
 182                                 if (m_atoi(dp->d_name))
 183                                         break;
 184                                 if (strcmp(dp->d_name, altmsglink) == 0 ||
 185                                                 strncmp(dp->d_name,
 186                                                 backup_prefix, j) == 0)
 187                                         break;
 188
 189                                 admonish(NULL, "file \"%s/%s\" not deleted",
 190                                                 folder, dp->d_name);
 191                                 others++;
 192                                 continue;
 193                 }
 194                 if (unlink(dp->d_name) == NOTOK) {
 195                         admonish(dp->d_name, "unable to unlink %s:", folder);
 196                         others++;
 197                 }
 198         }
 199
 200         closedir(dd);
 201
 202         /*
 203         ** Remove any relevant private sequences
 204         ** or attributes from context file.
 205         */
 206         rma(folder);
 207
 208         chdir("..");
 209         if (others == 0) {
 210                 context_save();  /* Is this needed? meillo 2011-10 */
 211                 fflush(stdout);  /* Is this needed? meillo 2011-10 */
 212                 if (rmdir(maildir) != -1) {
 213                         return OK;
 214                 }
 215                 admonish(maildir, "unable to remove directory");
 216         }
 217
 218         advise(NULL, "folder +%s not removed", folder);
 219         return NOTOK;
 220 }
 221
 222
 223 /*
 224 ** Remove all the (private) sequence information for
 225 ** this folder from the profile/context list.
 226 */
 227
 228 static void
 229 rma(char *folder)
 230 {
 231         register int alen, j, plen;
 232         register char *cp;
 233         register struct node *np, *pp;
 234
 235         alen = strlen("atr-");
 236         plen = strlen(cp = getcpy(toabsdir(folder))) + 1;
 237
 238         /*
 239         ** Search context list for keys that look like
 240         ** "atr-something-folderpath", and remove them.
 241         */
 242         for (np = m_defs, pp = NULL; np; np = np->n_next) {
 243                 if (isprefix("atr-", np->n_name) &&
 244                                 (j = strlen(np->n_name) - plen) > alen &&
 245                                 *(np->n_name + j) == '-' &&
 246                                 strcmp(cp, np->n_name + j + 1) == 0) {
 247                         if (!np->n_context)
 248                                 admonish(NULL, "bug: context_del(key=\"%s\")",
 249                                                 np->n_name);
 250                         if (pp) {
 251                                 pp->n_next = np->n_next;
 252                                 np = pp;
 253                         } else {
 254                                 m_defs = np->n_next;
 255                         }
 256                         ctxflags |= CTXMOD;
 257                 } else {
 258                         pp = np;
 259                 }
 260         }
 261         free(cp);
 262 }